Does this look like a good 500hp set up? - Team Camaro Tech
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post #1 of 14 (permalink) Old Oct 22nd, 09, 08:43 PM Thread Starter
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Chad
 
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Does this look like a good 500hp set up?

I am looking to buy this motor....Its never been ran. Is this a good set-up? Is it legit 500hp? I would dyno/break-in at rep shop, if i buy.

I am not very knowledgable with the late model motors. Would I have to do anything different to replace orginal 327? Could I use anything off of the 327 (water pump, starter, alternater, etc)? Will it hook up with t/350 ok?

Thx for your replies.

Chevy 383 all forged 500+ hp stroker motor
Late model 1 piece rear main block bored +.030
Align Honed, Decked to -.005”
Eagle forged steel crank turned -.010 due to factory taper on journals
Eagle 6.0” H-Beam rods, SRP forged flat top pistons
Rotating assembly re-balanced to w/in gram after turning
Edelbrock Victor JR. heads angle ground to 67cc for 10.49:1 cr. w/.040 Cometic head gaskets. 215cc intake runners, 2.08 intake, 1.6 exhaust, 7/16 rocker studs.
Crower Stainless Steel 1.6 roller rockers, custom length pushrods
All ARP fasteners, Head & Main studs, oilpan studs.
Moroso High Pressure pump w/factory welded p/u & matching GenIII Camaro Pan
Chevy “847” cam (made by Crane), Crane high rev factory style roller lifters,
All new retainers & “spyder”. Stainless SPF balancer, Double roller chain.

67 RS "yes that is the factory color combo"

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post #2 of 14 (permalink) Old Oct 22nd, 09, 09:56 PM
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Tom
 
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Smile Re: Does this look like a good 500hp set up?

The main issue that I can think of is going to be with the Harmonic Balancer. Your 327 had a 6 3/4" balancer, and I am going to assume you have an externally balanced 400 harmonic balancer, that is usually 8". You could fix this by having your engine builder internally balancing the rotating assembly and installing a smaller balancer. Option two would be to install the taller engine mounts for a 67/68 350. Caution: Some auto parts stores simply cross the part numbers to the 327 engine mounts ! Get the mounts from someplace that knows there is a difference. An actual Camaro restoration house, not Auto Zone !

69 Camaro -originally a LM1 car. 327, Edelbrock E-streets, hooker, DUI performance distributors, ultradyne cam, stewart, TRW etc. Vintage Air, AGR steering, Corbeau GTSII seats, 700R4 transmission, 12-bolt w/Eaton 4.11:1
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post #3 of 14 (permalink) Old Oct 23rd, 09, 05:04 AM
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Re: Does this look like a good 500hp set up?

Sounds like it will make 500 hp or close to it. Should be able to rev its guts out and should stay together no problem. I would change the stall converter and put a trans cooler on it. I agree with Tom on the balancer. Get the taller engine mounts...Whole lot easier...
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post #4 of 14 (permalink) Old Oct 23rd, 09, 12:24 PM Thread Starter
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Chad
 
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Re: Does this look like a good 500hp set up?

Thx guys, ive got built-up t/350 w/2500 stall Hughes converter. Do you think that will work?

67 RS "yes that is the factory color combo"

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post #5 of 14 (permalink) Old Oct 23rd, 09, 01:04 PM
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Tom
 
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Smile Re: Does this look like a good 500hp set up?

You can try it and see how built up it is ! When it blows I'd go with a TH400 or a 4L80E.

69 Camaro -originally a LM1 car. 327, Edelbrock E-streets, hooker, DUI performance distributors, ultradyne cam, stewart, TRW etc. Vintage Air, AGR steering, Corbeau GTSII seats, 700R4 transmission, 12-bolt w/Eaton 4.11:1
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post #6 of 14 (permalink) Old Oct 23rd, 09, 02:55 PM
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Re: Does this look like a good 500hp set up?

Its has the potential (not failure with the cam specs) and I think you'll need more converter (again, with the cam ??)

68 Camaro~LSx ~all motor
1.54 60'--6.95 @ 98.45 660'--10.96 @ 121.53
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post #7 of 14 (permalink) Old Oct 23rd, 09, 03:20 PM
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Re: Does this look like a good 500hp set up?

we need the cam specs . the guy caught the crank taper like all eagle cranks that i have seen so thats a plus.
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post #8 of 14 (permalink) Old Oct 23rd, 09, 07:35 PM Thread Starter
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Re: Does this look like a good 500hp set up?

GM 847 cam is 234/242 .576/.595 112 LSA

67 RS "yes that is the factory color combo"

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post #9 of 14 (permalink) Old Oct 23rd, 09, 07:53 PM
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Re: Does this look like a good 500hp set up?

430-450 maybe ???

68 Camaro~LSx ~all motor
1.54 60'--6.95 @ 98.45 660'--10.96 @ 121.53
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post #10 of 14 (permalink) Old Oct 23rd, 09, 11:09 PM Thread Starter
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Chad
 
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Re: Does this look like a good 500hp set up?

sorry Doug, thats what i get for googling.

here is real specs of cam in this engine.

BrandCrane CamsManufacturer's Part Number109841Part TypeCamshaftsProduct LineCrane PowerMax CamshaftsSummit Racing Part NumberCRN-109841 Cam StyleHydraulic roller tappetBasic Operating RPM Range3,000-6,500Intake Duration at 050 inch Lift234Exhaust Duration at 050 inch Lift242Duration at 050 inch Lift234 int./242 exh.Advertised Intake Duration296Advertised Exhaust Duration304Advertised Duration296 int./304 exh.Intake Valve Lift with Factory Rocker Arm Ratio0.539 in.Exhaust Valve Lift with Factory Rocker Arm Ratio0.558 in.Valve Lift with Factory Rocker Arm Ratio0.539 int./0.558 exh. liftLobe Separation (degrees)112Intake Valve Lash0.000 in.Exhaust Valve Lash0.000 in.Computer-Controlled CompatibleNoGrind NumberHR-296-2S-12 IGQuantitySold individually.NotesCamshaft incorporates an integral cast iron distributor drive gear. Aluminum-bronze distributor drive gear not required.

67 RS "yes that is the factory color combo"

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post #11 of 14 (permalink) Old Oct 24th, 09, 12:24 PM
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Re: Does this look like a good 500hp set up?

My guess is 470-500hp.

mike

1973 RS Z28: 401ci Dart Little M, Littlefield 6-71 supercharger @14lbs boost, Callies Magnum crank, Lunati rods, JE pistons, 7.8:1, AFR 227 Comp heads, T&D 1.6 shaft rockers. Reed solid FT cam (240/[email protected]/.542 lift-112 LSA), QFT 750 carbs
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post #12 of 14 (permalink) Old Oct 24th, 09, 02:04 PM Thread Starter
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Re: Does this look like a good 500hp set up?

thx mike, sounds like im in the ball park. Im going to make him an offer today. He's asking $3500.

67 RS "yes that is the factory color combo"

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post #13 of 14 (permalink) Old Oct 25th, 09, 08:25 AM Thread Starter
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Chad
 
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Re: Does this look like a good 500hp set up?

i got the motor for $2500

Now ive got to buy intake (needs to fit under standard hood), carb, ignition, etc. Any ideas?

on the ignition, i Know HEI distributors hit firewall....i would like to avoid drilling holes for MSD box....is there another way to go about it?

thx for the responses.




67 RS "yes that is the factory color combo"

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post #14 of 14 (permalink) Old Oct 25th, 09, 12:17 PM
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Re: Does this look like a good 500hp set up?

I had a Vic Jr. under a flat (stock) hood with a drop base air filter. (The Air Gap is the same height)

68 Camaro~LSx ~all motor
1.54 60'--6.95 @ 98.45 660'--10.96 @ 121.53
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